tumbledemerald-legacy/tools/gbagfx/huff.h

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2022-05-19 19:14:13 +02:00
#ifndef HUFF_H
#define HUFF_H
union HuffNode;
struct HuffData {
unsigned value:31;
unsigned isLeaf:1;
};
struct HuffLeaf {
struct HuffData header;
unsigned char key;
};
struct HuffBranch {
struct HuffData header;
union HuffNode * left;
union HuffNode * right;
};
union HuffNode {
struct HuffData header;
struct HuffLeaf leaf;
struct HuffBranch branch;
};
typedef union HuffNode HuffNode_t;
struct BitEncoding {
unsigned long long nbits:6;
unsigned long long bitstring:58;
};
unsigned char * HuffCompress(unsigned char * buffer, int srcSize, int * compressedSize_p, int bitDepth);
unsigned char * HuffDecompress(unsigned char * buffer, int srcSize, int * uncompressedSize_p);
#endif //HUFF_H